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Large Tire Sizes 36-inch to 26-inch: | Rim Sizes: | Usage: | |||||
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ISO-ETRTO metric | French metric | Decimal inches | Fractional inches | Bead Seat Circumf. | Country Orig. Rim specs | Cycle Types | |
52-787 48-787 | - | 36x2.25 | 36x2-3/8 36x2-1/4 | - | - | cruiser unicycle | |
32-647 | 700 | - | 28x1-1/4 | 2032 | Britain EA2 Holland | roadster | |
44-642 37-642 | 700A | - | 28x1-3/4 28x1-3/8 | 2016 | Britain F5, EA4, E4 | roadster | |
40-635 28-635 | 700B | - | 28x1-5/8 28x1-1/2 | 1994 | Britain F10, F25.0, EA4 | rod-brake roadster | |
32-631 | - | - | 27x1-1/4 | 1982 | Sweden | road | |
32-630 28-630 20-630 | - | - | 27x1-3/8 27x1-1/4 27x1 | 1978 | Britain K2, K25.0, EA25.0 | touring, road | |
44-623 | - | - | 28x1-5/8 | 1958 | Sweden | roadster | |
70-622 60-622 52-622 49-622 44-622 | 700C | 29x3.0 29x2.3 29x2.1 | - | 1955 | - | mountain 29er hybrid | |
42-622 38-622 35-622 32-622 30-622 | 700C | - | 28x1-3/4 | 1955 | - | mountain hybrid Soviet roadster tandem | |
28-622 25-622 23-622 20-622 18-622 | 700C | - | 28x1-3/8 28x1 | 1955 | - | touring road time trial track | |
40-609 | 650-32 | - | 27x1-1/2 | 1913 | Germany | roadster | |
40-607 | - | - | 26x1-1/2 | 1906 | America | roadster | |
35-599 32-599 | - | 26x1.375 26x1.25 | - | 1880 | America | vintage lightweight | |
37-597 32-597 | 650 | - | 26x1-1/4x1-3/8 26x1-1/4 | 1876 | America Schwinn S-5, S-6 | roadster, touring Schwinn lightweight | |
40-590 37-590 | 650A | - | 26x1-1/2 26x1-3/8 | 1854 | Britain F.4, E.3, EA.3, E23.0, EA23.0, R23.0 | roadster, road | |
40-583 | 700D | 26x1.50 | - | 1845 | - | touring rare GT mtb | |
47-585 40-585 | - | - | 26x1-3/4 26x1-1/2 | 1837 | Sweden | roadster | |
60-584 52-584 | 650B | 27.5x2.4 27.5x2.2 | - | 1835 | - | mountain | |
47-584 40-584 32-584 | 650B | - | 26x1-5/8 26x1-1/2 26x1-3/8 | 1835 | France Schwinn S-4 Britain F9 | randonneur, touring, tandem rare Raleigh, Schwinn mtb | |
47-571 | 650C | - | 26x1-5/8 26x1-3/4 | 1794 | America Schwinn S-7 Britain F9 | cruiser, Schwinn middleweight | |
23-571 20-571 | 650C | - | 26x1 26x3/4 | 1794 | - | time trial, triathlon, small road | |
62-561 | - | - | 25x1-3/8 | 1764 | Sweden | roadster | |
110-559 85-559 | - | 26x4.8 26x3.7 | - | 1755 | - | all-terrain | |
57-559 54-559 50-559 47-559 40-559 38-559 32-559 28-559 25-599 | 650x45 | 26x2.25 26x2.125 26x2.0 26x1.90 26x1.75 26x1.60 26x1.50 26x1.40 26x1.25 26x1 | - | 1755 | - | balloon cruiser, mountain middleweight cruiser, atb touring, tandem road |
Small Tire Sizes 25-inch to 7-inch: | Rim Sizes: | Bike Types: | |||||
---|---|---|---|---|---|---|---|
ISO-ETRTO metric | French metric | Decimal inches | Fractional inches | Bead Seat Circumf. | Country Orig. Rim specs: | ||
37-547 32-547 | - | - | 24x1-3/8 24x1-1/4 | 1715 | Schwinn S-5, S-6 Britain K.1, E1, EA1 | juvenile lightweight, Schwinn | |
37-541 32-541 | 600A | - | 24x1-3/8 24x1 | 1700 | Britain E.5 Holland | juvenile, small road, wheelchair | |
40-540 32-540 | 600x35A | - | 24x1-3/8 24x1-1/2 | 1695 | Britain E.5, F.3, EA21.0, F21.0, R21.0 | juvenile roadster, small road, Raleigh | |
40-534 38-534 | 600B | - | 24x1-1/2 | 1676 | Britain F8 Holland France | transport | |
37-533 | - | - | 26x1-1/2 | - | Russia | small road, folding | |
40-531 | - | - | 24x1-1/2 | 1667 | Sweden | small roadster | |
47-521 | - | - | 24x1-3/4 | 1635 | America Schwinn S-7 Britain | small cruiser | |
47-520 | - | - | 24x1-3/4 | 1633 | America | juvenile roadster | |
20-520 25-520 | - | - | 24x1-1/8 24x1 | 1633 | - | time trial, triathlon, small road, Terry front | |
32-508 | 550x32 | - | 22x1-1/4 | 1595 | Dutch | juvenile roadster | |
57-507 50-507 47-507 40-507 | 600x45 | 24x2.125 24x1.90 24x1.75 24x1.50 | 24x2x1-3/4 | 1592 | Schwinn S-2 | juvenile mtb, cruiser | |
50-503 | - | - | 24x2 | 1579 | Sweden | transport | |
37-501 32-501 | - | - | 22x1-3/8 22x1-1/4 | 1575 | Britain F.2, E.6, EA19.5 Italy 550x32A | juvenile roadster | |
37-498 | - | - | 22x1-3/8x1-1/4 | 1563 | Germany | folding | |
37-490 | 550A | - | 22x1-3/8A | 1539 | France | juvenile road, folding | |
37-489 | - | - | 22x1-3/8 | 1535 | Italy 550A Holland 550A | small-wheel roadster | |
44-484 | 550B | - | 22x1-5/8x1-1/2 | 1520 | France | transport | |
40-482 | - | - | 22x1-1/2 | 1515 | Holland 550B | small-wheel roadster | |
47-470 | 550C | - | 22x1-3/4 | 1475 | France | juvenile roadster | |
57-457 44-457 | - | 22x2.125 22x1.75 | - | 1435 | America | juvenile | |
37-451 32-451 28-451 | - | - | 20x1-3/8 20x1-1/4 20x1-1/8 | 1416 | Schwinn S-5, S-6 Italy 500x35A Britain E.5J, EA18.0, R18.0, EB18.0 | juvenile lightweight, bmx racing, recumbent | |
32-445 | - | - | 20x1-1/4 | - | - | juvenile | |
- | - | 20x1.375 20x1.25 | - | - | America | juvenile middleweight | |
37-440 | 500A | - | 20x1-3/8x1-1/4 | 1382 | France | juvenile, folding | |
37-438 | - | - | 20x1-1/2 20x1-3/8 | 1375 | Italy Holland 500x35A | - | |
40-432 | - | - | 20x1-1/2 | 1356 | Holland 500x38B | - | |
54-428 40-428 | - 428x40 | - | 20x2 20x1-5/8x1-1/2 | 1345 | Sweden France | small-wheel roadster | |
47-419 | - | - | 20x1-3/4 | 1314 | Schwinn S-7 | juvenile, Schwinn | |
57-406 52-406 47-406 44-406 | 500x50 | 20x2.125 20x1.95 20x1.75 20x1.50 | 20x1-3/4 | 1274 | France Holland America | bmx, juvenile, folding, Moulton APB, recumbent, trailer | |
54-400 40-400 | - | - | 20x2 18x1-3/8 Italy 18x1-1/4 | 1257 | Britain E.4J, F.4J Italy 450x32A | small-wheel roadster, folding | |
40-390 37-390 | 450A | - | 18x1-3/8 18x1-1/4 | 1225 | France | juvenile | |
32-369 | - | - | 17x1-1/4 16x1-1/4 | 1169 | Britain | Moulton AM, recumbent | |
54-355 47-355 44-355 | 450x45 | 18x2.125 18x1.75 18x1.50 | - | 1115 | Germany America France | folding juvenile | |
35-349 | - | - | 16x1-3/8 16x1-1/4 | 1097 | Britain E.3J, EA14.0, EB14.0 Italy 400x32A | juvenile, folding, early Moulton | |
37-340 32-340 | 400A | - | 16x1-1/2 16x1-3/8 | 1069 | France | juvenile | |
37-337 | - | - | 16x1-3/8A | 1058 | - | folding Birdy | |
37-335 | - | - | 16x1-3/8 | 738 | Poland | juvenile | |
44-317 | - | - | 16x1-3/4 | 996 | Schwinn S-7 | juvenile, Schwinn | |
54-305 44-305 | - | 16x2.125 16x1.75 | - | 957 | America | juvenile, small bmx, folder, recumbent, trailer | |
37-298 32-298 | - | - | 14x1-3/8 14x1-1/4 | 937 | Britain E2J, F2J, EA11.7 Italy 350x32A | folding, juvenile | |
37-288 | 350A | - | - | - | French 350A | folding, juvenile | |
62-203 57-203 | - | - | 12-1/2x2 12-1/2x1.75 | 638 | Italy France | juvenile, scooters | |
44-194 32-194 | - | - | 10x1-5/8 10x1-1/4 | 609 | - Italy | juvenile | |
54-152 | - | - | 10x2 | - | America | wheelchair | |
32-137 | - | - | 8x1-1/4 | - | America | wheelchair | |
54-110 | - | - | 8x1-3/4 8x1-1/2 | 346 | - | - | |
47-94 | 200x47 | - | 7x1-3/4 | 292 | Germany | juvenile |
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 34 | 36 | 38 | ||
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56 | 137.5 | 126.0 | 116.3 | 108.0 | 100.8 | 94.5 | 88.9 | 84.0 | 79.6 | 75.6 | 72.0 | 68.7 | 65.7 | 63.0 | 60.5 | 58.2 | 56.0 | 54.0 | 52.1 | 50.4 | 48.8 | 47.3 | 44.5 | 42.0 | 39.8 | 56 |
55 | 135.0 | 123.8 | 114.2 | 106.1 | 99.0 | 92.8 | 87.4 | 82.5 | 78.2 | 74.3 | 70.7 | 67.5 | 64.6 | 61.9 | 59.4 | 57.1 | 55.0 | 53.0 | 51.2 | 49.5 | 47.9 | 46.4 | 43.7 | 41.3 | 39.1 | 55 |
54 | 132.5 | 121.5 | 112.2 | 104.1 | 97.2 | 91.1 | 85.8 | 81.0 | 76.7 | 72.9 | 69.4 | 66.3 | 63.4 | 60.8 | 58.3 | 56.1 | 54.0 | 52.1 | 50.3 | 48.6 | 47.0 | 45.6 | 42.9 | 40.5 | 38.4 | 54 |
53 | 130.1 | 119.3 | 110.1 | 102.2 | 95.4 | 89.4 | 84.2 | 79.5 | 75.3 | 71.6 | 68.1 | 65.0 | 62.2 | 59.6 | 57.2 | 55.0 | 53.0 | 51.1 | 49.3 | 47.7 | 46.2 | 44.7 | 42.1 | 39.7 | 37.7 | 53 |
52 | 127.6 | 117.0 | 108.0 | 100.3 | 93.6 | 87.8 | 82.6 | 78.0 | 73.9 | 70.2 | 66.9 | 63.8 | 61.0 | 58.5 | 56.2 | 54.0 | 52.0 | 50.1 | 48.4 | 46.8 | 45.3 | 43.9 | 41.3 | 39.0 | 36.9 | 52 |
51 | 125.2 | 114.8 | 105.9 | 98.4 | 91.8 | 86.1 | 81.0 | 76.5 | 72.5 | 68.9 | 65.6 | 62.6 | 59.9 | 57.4 | 55.1 | 53.0 | 51.0 | 49.2 | 47.5 | 45.9 | 44.4 | 43.0 | 40.5 | 38.8 | 36.2 | 51 |
50 | 122.7 | 112.5 | 103.8 | 96.4 | 90.0 | 84.4 | 79.4 | 75.0 | 71.1 | 67.5 | 64.3 | 61.4 | 58.7 | 56.3 | 54.0 | 51.9 | 50.0 | 48.2 | 46.6 | 45.0 | 43.5 | 42.2 | 39.7 | 37.5 | 35.5 | 50 |
49 | 120.3 | 110.3 | 101.8 | 94.5 | 88.2 | 82.7 | 77.8 | 73.5 | 69.6 | 66.2 | 63.0 | 60.1 | 57.5 | 55.1 | 52.9 | 50.9 | 49.0 | 47.3 | 45.6 | 44.1 | 42.7 | 41.3 | 38.9 | 36.7 | 34.8 | 49 |
48 | 117.8 | 108.0 | 99.7 | 92.6 | 86.4 | 81.0 | 76.2 | 72.0 | 68.2 | 64.8 | 61.7 | 58.9 | 56.3 | 54.0 | 51.8 | 49.8 | 48.0 | 46.3 | 44.7 | 43.2 | 41.8 | 40.5 | 38.1 | 36.0 | 34.1 | 48 |
47 | 115.4 | 105.8 | 97.6 | 90.6 | 84.6 | 79.3 | 74.6 | 70.5 | 66.8 | 63.5 | 60.4 | 57.7 | 55.2 | 52.9 | 50.8 | 48.8 | 47.0 | 45.3 | 43.8 | 42.3 | 40.9 | 39.7 | 37.3 | 35.2 | 33.4 | 47 |
46 | 112.9 | 103.5 | 95.5 | 88.7 | 82.8 | 77.6 | 73.1 | 69.0 | 65.4 | 62.1 | 59.1 | 56.5 | 54.0 | 51.8 | 49.7 | 47.8 | 46.0 | 44.4 | 42.8 | 41.4 | 40.1 | 38.8 | 36.5 | 34.5 | 32.7 | 46 |
45 | 110.5 | 101.3 | 93.5 | 86.8 | 81.0 | 75.9 | 71.5 | 67.5 | 63.9 | 60.8 | 57.9 | 55.2 | 52.8 | 50.6 | 48.6 | 46.7 | 45.0 | 43.4 | 41.9 | 40.5 | 39.2 | 38.0 | 35.7 | 33.8 | 32.0 | 45 |
44 | 108.0 | 99.0 | 91.4 | 84.9 | 79.2 | 74.3 | 69.9 | 66.0 | 62.5 | 59.4 | 56.6 | 54.0 | 51.7 | 49.5 | 47.5 | 45.7 | 44.0 | 42.4 | 41.0 | 39.6 | 38.3 | 37.1 | 34.9 | 33.0 | 31.3 | 44 |
43 | 105.5 | 96.8 | 89.3 | 82.9 | 77.4 | 72.6 | 68.3 | 64.5 | 61.1 | 58.1 | 55.3 | 52.8 | 50.5 | 48.4 | 46.4 | 44.7 | 43.0 | 41.5 | 40.0 | 38.7 | 37.5 | 36.3 | 34.1 | 32.2 | 30.6 | 43 |
42 | 103.1 | 94.5 | 87.2 | 81.0 | 75.6 | 70.9 | 66.7 | 63.0 | 59.7 | 56.7 | 54.0 | 51.5 | 49.3 | 47.3 | 45.4 | 43.6 | 42.0 | 40.5 | 39.1 | 37.8 | 36.6 | 35.4 | 33.4 | 31.5 | 29.8 | 42 |
41 | 100.6 | 92.3 | 85.2 | 79.1 | 73.8 | 69.2 | 65.1 | 61.5 | 58.3 | 55.4 | 52.7 | 50.3 | 48.1 | 46.1 | 44.3 | 42.6 | 41.0 | 39.5 | 38.2 | 36.9 | 35.7 | 34.6 | 32.6 | . | 29.1 | 41 |
40 | 98.2 | 90.0 | 83.1 | 77.3 | 72.0 | 67.5 | 63.5 | 60.0 | 56.8 | 54.0 | 51.4 | 49.1 | 47.0 | 45.0 | 43.2 | 41.5 | 40.0 | 38.6 | 37.2 | 36.0 | 34.8 | 33.8 | 31.8 | 30.0 | 28.4 | 40 |
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 34 | 36 | 38 | ||
39 | 95.7 | 87.8 | 81.0 | 75.2 | 70.2 | 65.8 | 61.9 | 58.5 | 55.4 | 52.7 | 50.1 | 47.9 | 45.8 | 43.9 | 42.1 | 40.5 | 39.0 | 37.6 | 36.3 | 35.1 | 34.0 | 32.9 | 31.0 | 29.2 | 27.7 | 39 |
38 | 93.3 | 85.5 | 78.9 | 73.3 | 68.4 | 64.1 | 60.4 | 57.0 | 54.0 | 51.3 | 48.9 | 46.6 | 44.6 | 42.8 | 41.0 | 39.5 | 38.0 | 36.6 | 35.4 | 34.2 | 33.1 | 32.1 | 30.2 | 28.5 | 27.0 | 38 |
37 | 90.8 | 81.3 | 76.8 | 71.4 | 66.6 | 62.4 | 58.8 | 55.5 | 52.6 | 50.0 | 47.6 | 45.4 | 43.4 | 41.6 | 40.0 | 38.4 | 37.0 | 35.7 | 34.4 | 33.3 | 32.2 | 31.2 | 29.4 | . | 26.3 | 37 |
36 | 88.4 | 81.0 | 74.8 | 69.4 | 64.8 | 60.8 | 57.2 | 54.0 | 51.2 | 48.6 | 46.3 | 44.2 | 42.3 | 40.5 | 38.9 | 37.4 | 36.0 | 34.7 | 33.5 | 32.4 | 31.4 | 30.4 | 28.6 | 27.0 | 25.6 | 36 |
35 | 85.9 | 78.8 | 72.7 | 67.5 | 63.0 | 59.1 | 55.6 | 52.5 | 49.7 | 47.3 | 45.0 | 43.0 | 41.1 | 39.4 | 37.8 | 36.3 | 35.0 | 33.8 | 32.6 | 31.5 | 30.5 | 29.5 | 27.8 | . | 24.9 | 35 |
34 | 83.5 | 76.5 | 70.6 | 65.6 | 61.2 | 57.4 | 54.0 | 51.0 | 48.3 | 45.9 | 43.7 | 41.7 | 39.9 | 38.3 | 36.7 | 35.3 | 34.0 | 32.8 | 31.7 | 30.6 | 29.6 | 28.7 | 27.0 | 25.5 | 24.2 | 34 |
33 | 81.0 | 74.3 | 68.5 | 63.6 | 59.4 | 55.7 | 52.4 | 49.5 | 46.9 | 44.6 | 42.4 | 40.5 | 38.7 | 37.1 | 35.6 | 34.3 | 33.0 | 31.8 | 30.7 | 29.7 | 28.7 | 27.8 | 26.2 | . | 23.4 | 33 |
32 | 78.5 | 72.0 | 66.5 | 61.7 | 57.6 | 54.0 | 50.8 | 48.0 | 45.5 | 43.2 | 41.1 | 39.3 | 37.6 | 36.0 | 34.6 | 33.2 | 32.0 | 30.9 | 29.8 | 28.9 | 27.9 | 27.0 | 25.4 | 24.0 | 22.7 | 32 |
31 | 76.1 | 69.8 | 64.4 | 59.8 | 55.8 | 52.3 | 49.2 | 46.5 | 44.1 | 41.9 | 39.9 | 38.0 | 36.4 | 34.9 | 33.5 | 32.2 | 31.0 | 29.9 | 28.9 | 27.9 | 27.0 | 26.2 | 24.6 | . | 22.0 | 31 |
30 | 73.6 | 67.5 | 62.3 | 57.9 | 54.0 | 50.6 | 47.6 | 45.0 | 42.6 | 40.5 | 38.6 | 36.8 | 35.2 | 33.8 | 32.4 | 31.2 | 30.0 | 28.9 | 27.9 | 27.0 | 26.1 | 25.3 | 23.8 | 22.5 | 21.3 | 30 |
29 | 71.2 | 65.3 | 60.2 | 55.9 | 52.2 | 48.9 | 46.1 | 43.5 | 41.2 | 39.2 | 37.3 | 35.6 | 34.0 | 32.6 | 31.3 | 30.1 | 29.0 | 28.0 | 27.0 | 26.1 | 25.3 | 24.5 | 23.0 | . | 20.6 | 29 |
28 | 68.7 | 63.0 | 58.2 | 54.0 | 50.4 | 47.3 | 44.5 | 42.0 | 39.8 | 37.8 | 36.0 | 34.4 | 32.9 | 31.5 | 30.2 | 29.1 | 28.0 | 27.0 | 26.1 | 25.2 | 24.4 | 23.6 | 22.2 | 21.0 | 19.9 | 28 |
27 | 66.3 | 60.8 | 56.1 | 52.1 | 48.6 | 45.6 | 42.9 | 40.5 | 38.4 | 36.5 | 34.7 | 33.1 | 31.7 | 30.4 | 29.2 | 28.0 | 27.0 | 26.0 | 25.1 | 24.3 | 23.5 | 22.8 | 21.4 | . | 19.2 | 27 |
26 | 63.8 | 58.5 | 54.0 | 50.1 | 46.8 | 43.9 | 41.3 | 39.0 | 36.9 | 35.1 | 33.4 | 31.9 | 30.5 | 29.3 | 28.1 | 27.0 | 26.0 | 25.1 | 24.2 | 23.4 | 22.6 | 21.9 | 20.6 | 19.5 | 18.5 | 26 |
25 | 61.4 | 56.3 | 51.9 | 48.2 | 45.0 | 42.2 | 39.7 | 37.5 | 35.5 | 33.8 | 32.1 | 30.7 | 29.3 | 28.1 | 27.0 | 26.0 | 25.0 | 24.1 | 23.3 | 22.5 | 21.8 | 21.1 | 19.9 | . | 17.8 | 25 |
24 | 58.9 | 54.0 | 49.8 | 46.3 | 43.2 | 40.5 | 38.1 | 36.0 | 34.1 | 32.4 | 30.9 | 29.5 | 28.2 | 27.0 | 25.9 | 24.9 | 24.0 | 23.1 | 22.3 | 21.6 | 20.9 | 20.3 | 19.1 | . | 17.1 | 24 |
22 | 54.0 | 49.5 | 45.7 | 42.4 | 39.6 | 37.1 | 34.9 | 33.0 | 31.3 | 29.7 | 28.3 | 27.0 | 25.8 | 24.8 | 23.8 | 22.8 | 22.0 | 21.2 | 20.5 | 19.8 | 19.2 | 18.6 | 17.5 | . | 15.6 | 22 |
20 | 49.1 | 45.0 | 41.5 | 38.6 | 36.0 | 33.8 | 31.8 | 30.0 | 28.4 | 27.0 | 25.7 | 24.5 | 23.5 | 22.5 | 21.6 | 20.8 | 20.0 | 19.3 | 18.6 | 18.0 | 17.4 | 16.9 | 15.9 | . | 14.2 | 20 |